G09G 3/3406
Control of illumination source
Official title: {Control of illumination source (illumination devices structurally associated with liquid crystal cells G02F1/1336)}
G09G3/3406 (Control of illumination source) appears on 7,490 US grants and 9,631 published applications in this corpus.
Search patents in G09G- Granted patents
- 7,490
- Published applications
- 9,631
- Assignees
- 1,371
- Inventors
- 12,373
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 21 | 0 |
| 1999 | 13 | 0 |
| 2000 | 27 | 0 |
| 2001 | 38 | 33 |
| 2002 | 35 | 106 |
| 2003 | 44 | 84 |
| 2004 | 65 | 133 |
| 2005 | 64 | 234 |
| 2006 | 107 | 353 |
| 2007 | 132 | 455 |
| 2008 | 130 | 546 |
| 2009 | 169 | 590 |
| 2010 | 280 | 560 |
| 2011 | 287 | 534 |
| 2012 | 432 | 519 |
| 2013 | 454 | 462 |
| 2014 | 489 | 453 |
| 2015 | 459 | 494 |
| 2016 | 484 | 483 |
| 2017 | 421 | 449 |
| 2018 | 395 | 426 |
| 2019 | 486 | 433 |
| 2020 | 452 | 393 |
| 2021 | 412 | 451 |
| 2022 | 376 | 338 |
| 2023 | 334 | 330 |
| 2024 | 329 | 340 |
| 2025 | 313 | 258 |
| 2026 | 159 | 174 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for maintaining optical quality of display and display thereof6 Oct 2026US 12,755,712 B2AUO Display Plus Corporation
- Optical compensation device, display device, method of optically compensating display device, and electronic apparatus including display device29 Sep 2026US 12,749,435 B2Samsung Display Co., Ltd.
- Power management device29 Sep 2026US 12,749,463 B2Lx Semicon Co., Ltd.
- Illumination unit and display apparatus22 Sep 2026US 12,742,987 B2Saturn Licensing LLC
- Image display device and operating method therefor22 Sep 2026US 12,743,174 B2LG Electronics Inc.
- Method of handling backlight of display panel and related image processing circuit and display system8 Oct 2026US 2026/0311654 A1Novatek Microelectronics Corp.
- Display method and display device1 Oct 2026US 2026/0299865 A1Beijing Boe Display Technology Co., Ltd.
- Display device with automatic brightness adjustment mechanism and automatic brightness adjustment method for display panel thereof1 Oct 2026US 2026/0301698 A1AUO Corporation
- Technique for maintaining color accuracy and reduce power consumption for lcds1 Oct 2026US 2026/0301699 A1ATI Technologies ULC
- A backlight unit, a vehicle display apparatus and a method of controlling the same1 Oct 2026US 2026/0301700 A1AUMOVIO Germany GmbH
Most cited
By later US patents
- Visual notification methods for candy-bar type cellphones1,196US 8,134,306 B2Research In Motion Limited · 2012
- Automated response to and sensing of user activity in portable devices1,178US 7,633,076 B2Apple Inc. · 2009
- Inverter992US 8,044,604 B2Rohm Co., Ltd. · 2011
- Vehicle interior LED lighting system962US 7,195,381 B2Donnelly Corporation · 2007
- Variable intensity high contrast passive display504US 5,717,422 A1998